$1,759.95

Holley 550-601 Engine Control Module - Universal

WORKS PRETTY GOOD JUST AS IT SAYS IT SHOULD NO ISSUES, EASY TO INSTALL. DURABLE. GREAT PRODUCT MUST ..

Rating: [4 of 5 Stars!]

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Love these. Adjustability is awesome. Haft setting was a little rougher than stock. Turned down the

Helpful website, ensuring I was ordering the correct part for my vehicle. Quick shipping ensured I r

Excellent fit and very nice looking and feel. Seems to be well constructed.